Home / 6,747.84-10,123.28-3,407.76

Finding the Fourth Proportional to 6,747.84, 10,123.28 and 3,407.76

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Solution

The fourth proportional to 6,747.84, 10,123.28 and 3,407.76 is: 5,112.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.84 : 10,123.28 = 3,407.76 : x
  2. Step 2: Convert to fraction form
    6,747.84/10,123.28 = 3,407.76/x
  3. Step 3: Cross multiply
    6,747.84x = 10,123.28 × 3,407.76
  4. Step 4: Simplify right side
    6,747.84x = 34,497,708.65
  5. Step 5: Solve for x
    x = 34,497,708.65/6,747.84
  6. Step 6: Final answer
    x = 5,112.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.